#include <stdio.h>
#include <string.h>
int main()
{
	FILE *fp = fopen("bit", "w");
	if(!fp){
		printf("fopen error!\n");
	}
	const char *msg = "linux so easy!\n";
	
	
	fwrite(msg, strlen(msg), 1, fp);
	
	fclose(fp);
	
return 0;
}
